With IPHost Network Monitor you can run simple snmp requests against a D-Link device in your network.
tokenRingMLStatsCongestionErrors
token Ring ML Stats Congestion Errors
1.3.6.1.2.1.16.1.2.1.20
The total number of receive congestion errors reported in error reporting packets detected by the probe.
Back to TOKEN-RING-RMON-MIB MIB page.
IPHost Network monitor allows you to monitor tokenRingMLStatsCongestionErrors on D-Link device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring D-Link VPN routers right now.
